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Changing patterns in chemical terrorism 1970-2021
Rafael Castro-Delgado1,2, Francisco Campillo Palma1, Lucía Fernández-Arce1,3
1Department of Medicine, University of Oviedo, Oviedo, Spain.
Frontiers in Public Health
|November 24, 2025
Summary
Chemical terrorism incidents have decreased globally since 2016, but remain a threat. Training should focus on nerve agents and organophosphates to improve first responder effectiveness against evolving chemical agents.
Area of Science:
- Public Health
- Emergency Medicine
- Chemical Security
Background:
- Chemical terrorism poses a significant public health and security risk.
- Evolving chemical agents necessitate updated response strategies and improved decontamination methods.
- Past trends in chemical terrorism require analysis to inform future preparedness.
Purpose of the Study:
- To analyze global chemical terrorism incidents from 1970-2021.
- To identify shifts in incident frequency, geographic distribution, and toxic chemical usage.
- To inform public health and emergency response strategies.
Main Methods:
- Utilized data from the Global Terrorism Database (GTD).
- Performed frequency and percentage calculations for variable distribution.
- Employed simple linear regression to assess temporal trends (r², p-values).
- Compared data from 1970-2015 and 2016-2021.
Main Results:
- 353 chemical terrorism cases identified; incidents declined between 2016-2021.
- South Asia and Middle East/North Africa were most affected regions.
- Nerve agents and organophosphates were frequently used, causing high mortality and injury rates.
Conclusions:
- Recent decline in chemical terrorism incidents, yet risks persist.
- First responder training must prioritize nerve agent and organophosphate detection/management.
- Enhanced detection systems and standardized protocols are crucial for future incident response.
Keywords:
chemical hazard releasechemical terrorismincident trendsmass casualty incidentspublic health preparednessterrorismMore Related Videos
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